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53 lines
1.3 KiB
C++
53 lines
1.3 KiB
C++
// Range v3 library
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//
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// Copyright Eric Niebler 2014
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//
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// Use, modification and distribution is subject to the
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// Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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//
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// Project home: https://github.com/ericniebler/range-v3
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//===----------------------------------------------------------------------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is dual licensed under the MIT and the University of Illinois Open
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// Source Licenses. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include <utility>
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#include <range/v3/algorithm/find_if_not.hpp>
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#include <range/v3/core.hpp>
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#include "../simple_test.hpp"
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#include "../test_iterators.hpp"
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constexpr bool is_three(int i)
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{
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return i == 3;
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}
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template<class Rng>
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constexpr bool contains_other_than_three(Rng r)
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{
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auto it = ranges::find_if_not(r, is_three);
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return it != ranges::end(r);
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}
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int main()
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{
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using namespace ranges;
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{
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using IL = std::initializer_list<int>;
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STATIC_CHECK(contains_other_than_three(IL{3, 3, 2, 3}));
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STATIC_CHECK(!contains_other_than_three(IL{3, 3, 3}));
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}
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return ::test_result();
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}
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